Creating fltk apps with Xcode
If you are tired of heavy-weight (but still decent) GUI tool kits like Qt 4 or wxWidgets, you should take a look at fltk. A statically linked, Intel-only “hello world” takes just 212kb on Mac OS X:
Feel free to use this simple quickstart (zip, < 900kb, incl. fltk 1.3) if you’d like an Xcode sample project.

Thank you! I’ve been fighting with Xcode for hours trying to get it up and running and your quickstart did it in 5 seconds
Now I can actually get some work done